title: Initiation of the activation potential by an increase in intracellular calcium in eggs of the frog, Rana pipiens.
mesh_terms: D000818:Animals; D000001:Calcimycin / Q000494:pharmacology; D002122:Calcium Chloride / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D008297:Male; D008564:Membrane Potentials / Q000187:drug effects; D010063:Ovum / Q000187:drug effects / Q000502:physiology*; D011894:Rana pipiens / Q000196:embryology; D013084:Sperm-Ovum Interactions
chemical_list: D000001:Calcimycin; D002122:Calcium Chloride